{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "engineering feature", "manufacturing standard", "material", "application", "machine or equipment"], "input": "In relation to the additive manufacturing challenges , three subsets of AM features for internal transport of media can be identified ; macro channel geometry , mini/micro channels and printed permeability ."}
{"concept or principle": ["mini/micro channels"], "engineering feature": ["macro channel geometry"], "manufacturing standard": [], "material": ["be"], "application": [], "machine or equipment": []}